A "sport radiator" refers to a special type of radiator that is designed for sports or racing cars. It helps keep the engine cool and prevents it from overheating during intense and high-performance activities or competitions. Full definition
All UK models will be fitted with Mercedes» sports radiator grille. (evo.co.uk)
The first generation of Rolls - Royce motor cars consisted of the two cylinder R - R 10 H.P., the three cylinder R - R 15 H.P., the four cylinder R - R 20 H.P. and the six cylinder R - R 30 H.P. all of which were powered by in - line engines and sported the radiator of classic Grecian shape. (rrab.com)
The kit includes roll bar, sports radiator, oil - cooler kit, tow hooks, and racing brake pads, and was only available for the Type S (high power) model. (en.m.wikipedia.org)